:root{--ink:#1e2432;--muted:#7d8494;--line:#edf0f5;--surface:#fff;--canvas:#f5f7fb;--primary:#6255d9;--primary-dark:#5145c4;--primary-soft:#f0efff;--green:#2eb67d;--green-soft:#eaf8f1;--red:#e85867;--red-soft:#fff0f1;--amber:#e8a638;--amber-soft:#fff6e6;--blue:#4a91dc;--blue-soft:#ebf4ff;--shadow:0 8px 24px rgba(31,40,72,.045);--radius:16px;--sidebar:248px;--font:'Segoe UI',Arial,sans-serif;--display:'Segoe UI',Arial,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font-family:var(--font);font-size:14px;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(98,85,217,.19);outline-offset:2px}h1,h2,h3,p{margin-top:0}h1,h2{font-family:var(--display);letter-spacing:-.045em}h1{margin-bottom:8px;font-size:30px;font-weight:750}h2{margin-bottom:5px;font-size:17px;font-weight:750}p{margin-bottom:0}.is-hidden{display:none!important}.muted{color:var(--muted);font-size:13px;line-height:1.55}.eyebrow{margin-bottom:8px;color:#969baa;font-size:10px;font-weight:700;letter-spacing:.11em}.align-right{text-align:right!important}.button{min-height:42px;border:0;border-radius:10px;padding:0 16px;font-weight:700;transition:background .18s,transform .18s,box-shadow .18s}.button:hover:not(:disabled){transform:translateY(-1px)}.button--primary{background:var(--primary);color:#fff;box-shadow:0 5px 12px rgba(98,85,217,.17)}.button--primary:hover:not(:disabled){background:var(--primary-dark)}.button--secondary{border:1px solid var(--line);background:white;color:#555c6c}.button--wide{width:100%;display:flex;align-items:center;justify-content:space-between}.button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.icon-button{width:40px;height:40px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--ink);font-size:18px}.text-button{border:0;background:transparent;color:var(--primary);font-size:12px;font-weight:700}.text-button span{margin-left:4px}

/* Login */
.login-screen{display:grid;min-height:100vh;place-items:center;padding:24px;background:radial-gradient(ellipse at 18% 15%,#eeecff 0,transparent 34%),radial-gradient(ellipse at 88% 82%,#e6f6f0 0,transparent 30%),var(--canvas)}.login-card{width:min(100%,420px);padding:42px;background:#fff;border:1px solid rgba(235,237,245,.8);border-radius:22px;box-shadow:0 20px 60px rgba(39,43,79,.08)}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:linear-gradient(145deg,#796ce9,#5548cb);color:white;font-family:var(--display);font-size:22px;font-weight:800;box-shadow:0 7px 14px rgba(98,85,217,.2)}.brand-mark--large{width:52px;height:52px;border-radius:16px;margin-bottom:28px;font-size:28px}.login-card h1{font-size:28px}.login-copy{margin-bottom:28px}.form-stack{display:flex;flex-direction:column;gap:9px}.form-stack label,.cart-footer label,.modal-card label{margin-top:5px;color:#565d6c;font-size:12px;font-weight:700}.form-stack input,.form-stack select,.cart-footer select,.modal-card input{width:100%;height:43px;border:1px solid #e8eaf0;border-radius:9px;background:white;padding:0 12px;color:var(--ink)}input::placeholder{color:#b2b7c2}.form-stack .button{margin-top:8px}.form-message{min-height:0;margin:0;color:var(--red);font-size:12px;line-height:1.45}.form-message:empty{display:none}.login-footnote{margin-top:25px;text-align:center;color:#a0a5b1;font-size:11px}

/* App shell and navigation */
.app-shell{min-height:100vh}.sidebar{position:fixed;z-index:20;inset:0 auto 0 0;display:flex;width:var(--sidebar);flex-direction:column;padding:26px 17px 18px;background:#fff;border-right:1px solid #eceef4}.brand{display:flex;align-items:center;gap:11px;padding:0 9px;text-decoration:none;color:var(--ink)}.brand strong,.brand small{display:block}.brand strong{font-family:var(--display);font-size:15px;letter-spacing:-.03em}.brand small{margin-top:3px;color:#9a9eab;font-size:10px}.nav-label{margin:42px 10px 13px;color:#adb1bc;font-size:9px;font-weight:700;letter-spacing:.11em}.main-nav{display:grid;gap:6px}.nav-link{display:flex;align-items:center;gap:13px;min-height:45px;padding:0 12px;border:0;border-radius:10px;background:transparent;color:#747b8b;text-align:left;font-size:13px;font-weight:600;transition:background .18s,color .18s}.nav-link:hover{background:#f7f7fc;color:var(--primary)}.nav-link.is-active{background:var(--primary-soft);color:var(--primary);font-weight:700}.nav-icon{display:inline-grid;width:20px;place-items:center;font-size:18px}.sidebar-bottom{margin-top:auto}.connection-status{display:flex;align-items:center;gap:8px;padding:12px 11px;color:#777e8e;font-size:11px}.status-dot,.live-indicator span{width:7px;height:7px;border-radius:50%;background:#3bc486;box-shadow:0 0 0 3px #e9f8f1}.signout-button{width:100%;margin:9px 0 14px;padding:11px;border:0;border-top:1px solid var(--line);background:transparent;color:#7e8491;text-align:left;font-size:12px}.signout-button:hover{color:var(--red)}.sidebar-version{padding:0 11px;color:#b1b4bd;font-size:10px}.main-column{min-height:100vh;margin-left:var(--sidebar)}.topbar{position:sticky;z-index:10;top:0;display:flex;height:68px;align-items:center;justify-content:space-between;padding:0 38px;background:rgba(255,255,255,.91);border-bottom:1px solid #eff0f5;backdrop-filter:blur(12px)}.breadcrumb{display:flex;align-items:center;gap:10px;color:#a0a4b0;font-size:12px}.breadcrumb strong{color:#434a59;font-weight:600}.breadcrumb-divider{color:#d3d5dc}.topbar-right{display:flex;align-items:center;gap:18px}.live-indicator{display:flex;align-items:center;gap:8px;color:#6e7686;font-size:11px}.live-indicator span{width:6px;height:6px}.user-avatar{display:grid;width:34px;height:34px;place-items:center;border-radius:11px;background:#f0efff;color:var(--primary);font-weight:700}.mobile-menu-button{display:none}.page-content{max-width:1600px;margin:auto;padding:35px 38px 54px}.view-section{display:none;animation:fade-up .25s ease}.view-section.is-active{display:block}.view-section[hidden]{display:none!important}@keyframes fade-up{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:27px}.page-heading .muted{margin-top:0}.date-chip{display:flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid #eceef4;border-radius:10px;background:#fff;color:#6c7382;font-size:11px}.heading-stat{display:flex;flex-direction:column;align-items:flex-end;gap:2px;color:#9a9eaa;font-size:11px}.heading-stat strong{color:var(--ink);font-family:var(--display);font-size:19px}

/* Dashboard */
.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.metric-card,.panel{border:1px solid #eceef4;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.metric-card{min-height:142px;padding:19px 20px}.metric-top{display:flex;align-items:center;justify-content:space-between}.metric-label{color:#767d8c;font-size:12px;font-weight:600}.metric-icon{display:grid;width:31px;height:31px;place-items:center;border-radius:10px;font-weight:700}.metric-icon--violet{background:var(--primary-soft);color:var(--primary)}.metric-icon--blue{background:var(--blue-soft);color:var(--blue)}.metric-icon--green{background:var(--green-soft);color:var(--green)}.metric-icon--amber{background:var(--amber-soft);color:var(--amber)}.metric-value{display:block;margin:15px 0 3px;font-family:var(--display);font-size:23px;letter-spacing:-.055em}.metric-value--text{overflow:hidden;margin-top:14px;text-overflow:ellipsis;white-space:nowrap;font-size:17px}.metric-note{color:#a0a5b0;font-size:10px}.dashboard-grid{display:grid;grid-template-columns:minmax(290px,.85fr) minmax(420px,1.4fr);gap:17px;margin-top:20px}.panel{min-width:0;padding:21px}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}.panel-heading .muted{font-size:11px}.count-badge{display:grid;min-width:27px;height:27px;place-items:center;padding:0 8px;border-radius:9px;background:#f1f2f6;color:#6c7280;font-size:11px;font-weight:700}.count-badge--danger{background:var(--red-soft);color:var(--red)}.alert-list{display:grid;gap:9px}.alert-item{display:flex;align-items:center;justify-content:space-between;padding:11px 12px;border:1px solid #ffe5e7;border-radius:10px;background:#fff9f9}.alert-product{display:flex;align-items:center;gap:10px;min-width:0}.alert-product img,.product-thumb{width:34px;height:34px;flex:0 0 auto;border-radius:9px;background:#f2f3f7;object-fit:cover}.alert-name{overflow:hidden;color:#3b4150;font-size:11px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.alert-stock{margin-top:3px;color:#a0a5b1;font-size:10px}.stock-pill{padding:5px 8px;border-radius:7px;background:var(--red-soft);color:#db5361;font-size:10px;font-weight:700;white-space:nowrap}.empty-state{display:grid;min-height:180px;place-content:center;gap:5px;color:#a0a5b1;text-align:center;font-size:12px}.empty-state--compact{min-height:75px;font-size:11px}.table-wrap{width:100%;overflow-x:auto}.data-table{width:100%;border-collapse:collapse;white-space:nowrap}.data-table th{padding:0 12px 11px;color:#a0a5b1;text-align:left;font-size:10px;font-weight:600}.data-table td{padding:12px;border-top:1px solid #f0f1f5;color:#626979;font-size:11px}.data-table tr:first-child td{border-top:1px solid #f0f1f5}.table-empty{text-align:center!important;color:#a1a6b2!important;padding:30px 12px!important}.sale-total{color:#333a49!important;font-weight:700}.payment-tag{display:inline-block;padding:5px 8px;border-radius:7px;background:#f4f4f8;color:#737a89;font-size:10px}.sale-date{color:#89909e!important}.sale-recent-link{color:#575e6e!important}

/* Inventory */
.inventory-layout{display:grid;grid-template-columns:minmax(260px,320px) minmax(0,1fr);align-items:start;gap:18px}.product-form-panel{position:sticky;top:88px}.panel-heading--form{margin-bottom:20px}.form-step{color:#d1d3db;font-family:var(--display);font-size:20px;font-weight:800}.product-form-panel .form-stack{gap:9px}.product-form-panel .form-stack label{margin-top:5px}.product-form-panel input,.product-form-panel select{height:41px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:11px}.form-row>div{display:grid;gap:9px}.helper-text{margin:2px 0;color:#9b9fac;font-size:10px;line-height:1.5}.form-actions{display:flex;gap:8px;margin-top:8px}.form-actions .button{flex:1;padding:0 12px;font-size:12px}.inventory-table-panel{padding:20px 0}.inventory-table-panel>.panel-heading{padding:0 20px}.search-field{display:flex;align-items:center;gap:9px;height:42px;padding:0 13px;border:1px solid #e9ebf1;border-radius:10px;background:#fff;color:#9da2af}.search-field>span{font-size:19px;line-height:1}.search-field input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}.search-field input:focus-visible{outline:0}.search-field--small{width:190px;height:36px}.search-field--small input{font-size:11px}.inventory-table{min-width:650px}.inventory-table th:first-child,.inventory-table td:first-child{padding-left:20px}.inventory-table th:last-child,.inventory-table td:last-child{padding-right:20px}.product-cell{display:flex;align-items:center;gap:10px}.product-cell-name{color:#363d4c;font-weight:700}.product-cell-meta{margin-top:3px;color:#a1a6b1;font-size:10px}.unit-badge{display:inline-block;padding:5px 8px;border-radius:7px;background:#f4f4f8;color:#737989;font-size:10px}.stock-normal{color:#3d9d75!important;font-weight:700}.stock-low{color:#e25362!important;font-weight:700}.row-actions{display:flex;justify-content:flex-end;gap:6px}.row-action{width:28px;height:28px;border:1px solid #eceef3;border-radius:8px;background:white;color:#777e8d}.row-action:hover{border-color:#d7d3ff;background:#f8f7ff;color:var(--primary)}.row-action--delete:hover{border-color:#ffd8dc;background:#fff5f6;color:var(--red)}

/* POS */
.pos-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:20px}.pos-search{max-width:470px;margin-bottom:17px}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:13px}.pos-product-card{overflow:hidden;border:1px solid #eceef4;border-radius:14px;background:#fff;box-shadow:var(--shadow);cursor:pointer;transition:transform .18s,border-color .18s,box-shadow .18s}.pos-product-card:hover{transform:translateY(-2px);border-color:#d6d2ff;box-shadow:0 10px 23px rgba(31,40,72,.08)}.pos-product-card:focus-visible{outline:3px solid rgba(98,85,217,.2)}.pos-product-image{display:block;width:100%;height:112px;background:#f1f2f7;object-fit:cover}.pos-product-info{padding:12px}.pos-product-name{overflow:hidden;margin-bottom:8px;color:#414858;font-size:12px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.pos-product-bottom{display:flex;align-items:center;justify-content:space-between;gap:5px}.pos-product-price{color:var(--primary);font-family:var(--display);font-size:13px;font-weight:800}.pos-product-stock{color:#9da2af;font-size:9px}.pos-product-card.is-out{opacity:.52;cursor:not-allowed}.cart-panel{position:sticky;top:88px;padding:0;overflow:hidden}.cart-heading{display:flex;align-items:center;justify-content:space-between;padding:20px 19px 16px;border-bottom:1px solid var(--line)}.cart-heading .eyebrow{margin-bottom:4px}.cart-heading h2{margin:0;font-size:19px}.cart-items{display:grid;max-height:350px;min-height:170px;align-content:start;gap:0;overflow-y:auto;padding:0 18px}.cart-empty{display:flex;min-height:170px;flex-direction:column;align-items:center;justify-content:center;gap:7px;color:#a0a5b1;text-align:center;font-size:11px}.cart-empty strong{color:#606777;font-size:12px}.cart-empty-icon{display:grid;width:35px;height:35px;place-items:center;margin-bottom:3px;border-radius:12px;background:#f2f1ff;color:var(--primary);font-size:22px}.cart-line{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px;padding:13px 0;border-bottom:1px solid #f0f1f5}.cart-line-name{overflow:hidden;color:#414757;font-size:11px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.cart-line-price{margin-top:4px;color:#989eab;font-size:10px}.cart-line-subtotal{color:#434958;text-align:right;font-size:11px;font-weight:700}.cart-controls{display:flex;align-items:center;gap:7px;margin-top:8px}.quantity-button{display:grid;width:23px;height:23px;place-items:center;border:1px solid #eceef2;border-radius:7px;background:white;color:#687080;font-size:14px}.quantity-button:hover{border-color:#d5d0ff;color:var(--primary)}.quantity-value{min-width:39px;color:#545b6a;text-align:center;font-size:10px;font-weight:700}.remove-line{margin-left:auto;border:0;background:transparent;color:#b2b6c0;font-size:14px}.remove-line:hover{color:var(--red)}.cart-footer{padding:15px 19px 19px;border-top:1px solid var(--line);background:#fff}.cart-total-row{display:flex;justify-content:space-between;margin-bottom:10px;color:#828896;font-size:11px}.cart-total-row strong{color:#555c6b;font-weight:700}.cart-total-row--grand{align-items:center;margin:12px 0 17px;color:#3c4352;font-size:12px;font-weight:700}.cart-total-row--grand strong{color:#272d3a;font-family:var(--display);font-size:19px;letter-spacing:-.04em}.cart-footer label{display:block;margin:0 0 7px}.cart-footer select{height:39px;font-size:12px}.checkout-button{margin-top:12px}.checkout-button span{font-size:17px}

/* History and modal */
.search-field--history{width:240px}.history-panel{padding:21px 0 0}.history-panel>.panel-heading{padding:0 21px}.history-table{min-width:720px}.history-table th:first-child,.history-table td:first-child{padding-left:21px}.history-table th:last-child,.history-table td:last-child{padding-right:21px}.ticket-id{font-family:monospace;font-size:10px!important;color:#9298a6!important}.details-button{border:0;background:transparent;color:var(--primary);font-size:10px;font-weight:700}.detail-row td{padding:0!important;border-top:0!important;background:#fafaff}.detail-box{padding:14px 22px 15px 44px;white-space:normal}.detail-box h3{margin:0 0 8px;color:#727989;font-size:10px}.detail-item{display:flex;justify-content:space-between;gap:20px;padding:5px 0;color:#5f6675;font-size:10px}.detail-loading{padding:17px 20px;color:#999fab;font-size:11px}.modal-backdrop{position:fixed;z-index:50;inset:0;display:grid;place-items:center;padding:20px;background:rgba(28,31,48,.42);backdrop-filter:blur(3px)}.modal-card{position:relative;width:min(100%,420px);padding:30px;border:1px solid rgba(255,255,255,.7);border-radius:20px;background:#fff;box-shadow:0 24px 70px rgba(20,25,50,.2);animation:fade-up .2s ease}.modal-close{position:absolute;top:14px;right:15px;width:30px;height:30px;border:0;border-radius:9px;background:#f5f6f9;color:#818797;font-size:20px}.modal-icon{display:grid;width:39px;height:39px;place-items:center;margin-bottom:17px;border-radius:12px;background:var(--primary-soft);color:var(--primary);font-size:19px}.modal-card h2{margin-bottom:5px;font-size:22px}.modal-card>.muted{margin-bottom:20px}.choice-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin:20px 0 14px;padding:4px;border-radius:10px;background:#f4f5f8}.choice-tab{height:34px;border:0;border-radius:7px;background:transparent;color:#808694;font-size:11px;font-weight:600}.choice-tab.is-active{background:#fff;color:var(--primary);box-shadow:0 2px 5px rgba(40,45,70,.08)}.modal-card label{display:block;margin-bottom:7px}.input-with-unit{position:relative}.input-with-unit input{padding-right:55px}.input-with-unit>span{position:absolute;top:50%;right:13px;transform:translateY(-50%);color:#999eaa;font-size:11px}.weight-preview{display:flex;flex-direction:column;gap:4px;margin:17px 0;padding:13px;border:1px solid #eeecff;border-radius:11px;background:#faf9ff}.weight-preview span{color:#9993ca;font-size:10px}.weight-preview strong{color:var(--primary);font-family:var(--display);font-size:18px}.weight-preview small{color:#999eaa;font-size:10px}.modal-card>.button{margin-top:12px}.toast-region{position:fixed;z-index:100;right:22px;bottom:22px;display:grid;gap:9px}.toast{max-width:min(380px,calc(100vw - 44px));padding:13px 17px;border:1px solid #e6e8ef;border-radius:11px;background:#fff;color:#4c5362;box-shadow:0 10px 35px rgba(30,35,60,.13);font-size:12px;animation:fade-up .2s ease}.toast--success{border-color:#d8f1e5}.toast--error{border-color:#f9d9dc;color:#c34855}

@media(max-width:1200px){:root{--sidebar:220px}.page-content{padding-right:26px;padding-left:26px}.topbar{padding:0 26px}.metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-grid{grid-template-columns:1fr}.inventory-layout{grid-template-columns:270px minmax(0,1fr)}.pos-layout{grid-template-columns:minmax(0,1fr) 315px}}
@media(max-width:860px){:root{--sidebar:245px}.sidebar{transform:translateX(-100%);transition:transform .22s ease;box-shadow:none}.sidebar.is-open{transform:translateX(0);box-shadow:15px 0 40px rgba(30,35,60,.12)}.main-column{margin-left:0}.topbar{height:62px;padding:0 20px}.mobile-menu-button{display:block}.breadcrumb{margin-right:auto;margin-left:13px}.page-content{padding:27px 20px 40px}.inventory-layout{grid-template-columns:1fr}.product-form-panel{position:static}.pos-layout{grid-template-columns:1fr}.cart-panel{position:static;grid-row:1}.cart-items{max-height:300px;min-height:100px}.cart-empty{min-height:105px}.pos-catalog{grid-row:2}}
@media(max-width:560px){.topbar{padding:0 14px}.topbar-right{gap:10px}.live-indicator{font-size:0}.live-indicator span{width:8px;height:8px}.page-content{padding:23px 14px 35px}.page-heading{align-items:flex-start;gap:10px}.page-heading h1{font-size:26px}.page-heading>.date-chip{margin-top:13px;font-size:0}.page-heading>.date-chip .status-dot{font-size:initial}.heading-stat{padding-top:13px}.metrics-grid{gap:10px}.metric-card{min-height:126px;padding:14px}.metric-value{font-size:19px}.metric-value--text{font-size:14px}.metric-note{font-size:9px}.dashboard-grid{gap:12px;margin-top:13px}.panel{padding:17px}.panel-heading{gap:8px}.panel-heading .muted{font-size:10px}.panel-heading h2{font-size:15px}.panel-heading .text-button{font-size:10px;white-space:nowrap}.inventory-table-panel{padding:17px 0}.inventory-table-panel>.panel-heading{align-items:flex-start;padding:0 15px}.search-field--small{width:145px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.pos-product-image{height:95px}.pos-search{max-width:none}.history-panel>.panel-heading{padding:0 16px}.search-field--history{width:155px;height:36px}.search-field--history input{font-size:10px}.login-card{padding:31px 24px}.toast-region{right:12px;bottom:12px}}

/* Theme toggle */
.theme-toggle{display:inline-flex;min-height:36px;align-items:center;justify-content:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font-size:11px;font-weight:650;transition:background .18s,border-color .18s,color .18s}
.brand-mark>svg{display:block;width:76%;height:76%}
.optional-label{color:#9b9fac;font-size:10px;font-weight:400}
.inventory-value-card{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:0 0 18px;padding:17px 20px}
.inventory-value-card-main{display:flex;min-width:0;align-items:center;gap:13px}
.inventory-value-card-icon{display:grid;width:42px;height:42px;flex:0 0 auto;place-items:center;border-radius:13px;background:var(--green-soft);color:var(--green);font-size:20px;font-weight:800}
.inventory-value-card-main strong{display:block;margin-top:4px;color:var(--ink);font-family:var(--display);font-size:clamp(20px,3vw,25px);letter-spacing:-.045em}
.inventory-value-card-main p{margin-top:3px;color:var(--muted);font-size:11px}
.inventory-value-currency{padding:6px 9px;border:1px solid var(--line);border-radius:8px;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:.04em}
.theme-toggle:hover{border-color:#c9c4fa;color:var(--primary)}
.theme-toggle>span:first-child{font-size:16px;line-height:1}
.login-screen{position:relative}
.login-theme-toggle{position:absolute;top:20px;right:20px}

/* Dark theme */
[data-theme="dark"]{color-scheme:dark;--ink:#e8ebf2;--muted:#a7afbd;--line:#323a49;--surface:#202633;--canvas:#151a23;--primary:#a49aff;--primary-dark:#b4adff;--primary-soft:#302d4e;--green-soft:#203c34;--red-soft:#472a32;--amber-soft:#443722;--blue-soft:#24384c;--shadow:0 8px 24px rgba(0,0,0,.2)}
[data-theme="dark"] body{background:var(--canvas);color:var(--ink)}
[data-theme="dark"] .login-screen{background:radial-gradient(ellipse at 18% 15%,#282548 0,transparent 34%),radial-gradient(ellipse at 88% 82%,#1d3932 0,transparent 30%),var(--canvas)}
[data-theme="dark"] .login-card,[data-theme="dark"] .sidebar,[data-theme="dark"] .panel,[data-theme="dark"] .metric-card,[data-theme="dark"] .pos-product-card,[data-theme="dark"] .cart-footer,[data-theme="dark"] .modal-card,[data-theme="dark"] .toast,[data-theme="dark"] .date-chip,[data-theme="dark"] .button--secondary{background:var(--surface);border-color:var(--line);color:var(--ink)}
[data-theme="dark"] .topbar{background:rgba(27,33,44,.93);border-color:var(--line)}
[data-theme="dark"] .brand,[data-theme="dark"] .breadcrumb strong,[data-theme="dark"] .nav-link,[data-theme="dark"] .signout-button,[data-theme="dark"] .form-stack label,[data-theme="dark"] .cart-footer label,[data-theme="dark"] .modal-card label,[data-theme="dark"] .cart-line-name,[data-theme="dark"] .cart-line-subtotal,[data-theme="dark"] .cart-total-row--grand,[data-theme="dark"] .cart-total-row--grand strong,[data-theme="dark"] .cart-total-row strong,[data-theme="dark"] .product-cell-name,[data-theme="dark"] .pos-product-name,[data-theme="dark"] .data-table td,[data-theme="dark"] .detail-item{color:var(--ink)}
[data-theme="dark"] .nav-link:hover,[data-theme="dark"] .nav-link.is-active{background:var(--primary-soft);color:var(--primary)}
[data-theme="dark"] .topbar-right .user-avatar,[data-theme="dark"] .icon-button,[data-theme="dark"] .theme-toggle{background:#252d3a;border-color:#3a4353;color:var(--ink)}
[data-theme="dark"] .data-table th{background:#1b212c;border-color:var(--line);color:#aeb7c5}
[data-theme="dark"] .data-table td,[data-theme="dark"] .data-table tr{border-color:var(--line)}
[data-theme="dark"] .detail-row td{background:#1a202b}
[data-theme="dark"] .form-stack input,[data-theme="dark"] .form-stack select,[data-theme="dark"] .cart-footer select,[data-theme="dark"] .modal-card input,[data-theme="dark"] .search-field,[data-theme="dark"] .search-field input{background:#191f29;border-color:#394252;color:var(--ink)}
[data-theme="dark"] input::placeholder{color:#818b9a}
[data-theme="dark"] .search-field>span,[data-theme="dark"] .muted,[data-theme="dark"] .breadcrumb,[data-theme="dark"] .cart-total-row,[data-theme="dark"] .cart-line-price,[data-theme="dark"] .date-chip,[data-theme="dark"] .table-empty,[data-theme="dark"] .detail-box h3{color:var(--muted)}
[data-theme="dark"] .unit-badge,[data-theme="dark"] .choice-tabs,[data-theme="dark"] .choice-tab.is-active,[data-theme="dark"] .modal-close,[data-theme="dark"] .cart-empty-icon{background:#2a3140;color:#c2c8d4}
[data-theme="dark"] .weight-preview{background:#211f35;border-color:#393452}
[data-theme="dark"] .cart-line,[data-theme="dark"] .cart-footer,[data-theme="dark"] .cart-heading{border-color:var(--line)}
[data-theme="dark"] .table-wrap{border-color:var(--line)}
[data-theme="dark"] .toast{box-shadow:0 10px 35px rgba(0,0,0,.35)}
[data-theme="dark"] .toast--error{color:#ff9aa5}

@media(max-width:560px){.theme-toggle{width:36px;min-width:36px;padding:0}.theme-toggle-label{display:none}}
.live-indicator #live-status-label{width:auto;height:auto;border-radius:0;background:transparent;box-shadow:none;color:inherit;font-size:inherit}
.live-indicator--error>span:first-child{background:#e85867;box-shadow:0 0 0 3px rgba(232,88,103,.16)}
@media(max-width:560px){.live-indicator #live-status-label{display:none}}

/* Touch-friendly mobile controls and iPhone safe areas */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
button,a,input,select{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.sidebar-backdrop{display:none}
.password-field{position:relative}
.password-field input{padding-right:78px!important}
.password-visibility{position:absolute;top:50%;right:7px;min-width:62px;min-height:36px;transform:translateY(-50%);border:0;border-radius:7px;background:transparent;color:var(--primary);font-size:11px;font-weight:700}
.password-visibility:hover{background:var(--primary-soft)}
[data-theme="dark"] .password-visibility{color:var(--primary)}
@media(max-width:860px){
  .sidebar-backdrop.is-visible{position:fixed;z-index:19;inset:0;display:block;width:100%;height:100%;border:0;background:rgba(14,18,29,.48)}
  .sidebar.is-open{z-index:20}
  .nav-link{min-height:48px}
  .button,.icon-button,.theme-toggle{min-height:44px}
  .row-action{width:40px;height:40px}
  .quantity-button{width:36px;height:36px}
  .password-visibility{min-height:40px}
  .form-stack input,.form-stack select,.cart-footer select,.modal-card input,.search-field input{font-size:16px}
  .topbar{padding-left:max(14px,env(safe-area-inset-left));padding-right:max(14px,env(safe-area-inset-right))}
  .page-content{padding-left:max(14px,env(safe-area-inset-left));padding-right:max(14px,env(safe-area-inset-right));padding-bottom:calc(40px + env(safe-area-inset-bottom))}
  .sidebar{padding-bottom:calc(18px + env(safe-area-inset-bottom))}
  .toast-region{right:max(12px,env(safe-area-inset-right));bottom:calc(12px + env(safe-area-inset-bottom))}
  .modal-backdrop{padding:calc(12px + env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) calc(12px + env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));overflow-y:auto}
}
@media(max-width:560px){
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .inventory-value-card{padding:14px}
  .inventory-value-card-main{gap:10px}
  .inventory-value-card-icon{width:38px;height:38px}
  .inventory-value-card-main p{max-width:230px;font-size:10px}
  .login-screen{padding:calc(72px + env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) calc(24px + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}
  .login-theme-toggle{top:calc(14px + env(safe-area-inset-top));right:max(14px,env(safe-area-inset-right))}
  .login-card{width:100%;padding:28px 22px}
  .page-heading{flex-wrap:wrap}
  .search-field--history,.search-field--small{max-width:100%}
  .pos-product-card{min-height:190px}
  .pos-product-card:active{transform:scale(.985)}
  .breadcrumb>span{display:none}
  .modal-card{max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px - env(safe-area-inset-top) - env(safe-area-inset-bottom));overflow-y:auto;padding:25px 20px}
}
.metrics-grid{grid-template-columns:repeat(5,minmax(0,1fr))}
@media(max-width:1200px){.metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}