:root{--bg:#f4f5f7;--card:#fff;--ink:#151515;--muted:#70757d;--line:#e6e8ec;--accent:#e51f2a;--accent2:#b5121b;--r:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink)}button,input,select,textarea{font:inherit}.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:#111318;color:#fff;padding:20px 14px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{font-size:18px;letter-spacing:.3px;padding:8px}.brand small{display:block;color:#8e939d;font-size:11px;margin-top:5px}.sidebar nav{display:grid;gap:4px;margin-top:20px}.sidebar nav a{color:#cfd3da;text-decoration:none;padding:11px 12px;border-radius:10px}.sidebar nav a:hover,.sidebar nav a.active{background:#242832;color:#fff}.side-user{margin-top:auto;padding:12px;display:grid;gap:3px}.side-user span{font-size:12px;color:#a7acb5}.side-user a{color:#fff;font-size:12px;margin-top:8px}.main{padding:24px;min-width:0}.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.page-head h1{margin:0;font-size:28px}.page-head p{margin:4px 0 0;color:var(--muted)}.btn{border:1px solid var(--line);background:#fff;border-radius:11px;padding:10px 14px;cursor:pointer;text-decoration:none;color:var(--ink);font-weight:650}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.primary:hover{background:var(--accent2)}.btn.full{width:100%;margin-top:14px}.card,.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px}.kpi-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.kpi span{display:block;color:var(--muted);font-size:13px}.kpi b{display:block;font-size:24px;margin-top:7px}.kpi.danger b{color:var(--accent)}.grid-2{display:grid;grid-template-columns:1fr 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12px}.chip.active{background:#111318;color:#fff}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(145px,1fr));gap:10px}.product-card{min-height:145px;background:#fff;border:1px solid var(--line);border-radius:14px;text-align:left;padding:12px;display:flex;flex-direction:column;gap:6px;cursor:pointer}.product-card:hover{border-color:#b9bdc5;transform:translateY(-1px)}.product-card span{font-size:12px;color:var(--muted)}.product-card>b{margin-top:auto}.custom-card{border:2px dashed var(--accent);background:#fff8f8}.custom-card strong{color:var(--accent)}.product-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#f0f1f4;font-weight:800}.custom-card .product-icon{background:var(--accent);color:#fff}.cart{display:flex;flex-direction:column;overflow:hidden}.cart-head{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid var(--line)}.cart-head h2{margin:0}.icon-btn,.remove{border:0;background:#f1f2f4;border-radius:9px;cursor:pointer;width:34px;height:34px;font-size:18px}.cart-items{padding:12px;display:grid;gap:8px;overflow:auto;flex:1}.empty{color:var(--muted);display:grid;place-items:center;min-height:160px}.cart-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto auto;gap:8px;align-items:center;border-bottom:1px solid var(--line);padding:10px 0}.cart-row small{display:block;color:var(--muted);margin-top:3px}.qty{display:flex;align-items:center;gap:5px}.qty button{width:26px;height:26px;border:1px solid var(--line);background:#fff;border-radius:7px}.cart-note{padding:0 12px 10px}.totals{padding:14px;border-top:1px solid var(--line);display:grid;gap:9px}.totals>div{display:flex;justify-content:space-between;align-items:center}.totals input{width:100px;border:1px solid var(--line);padding:7px;border-radius:8px}.grand{font-size:20px;padding-top:8px;border-top:1px dashed #ccc}.checkout{margin:0 12px 12px;padding:16px;font-size:16px}.checkout:disabled{opacity:.45;cursor:not-allowed}.modal-backdrop{position:fixed;inset:0;background:#0008;display:grid;place-items:center;padding:18px;z-index:50}.modal-backdrop.hidden,.hidden{display:none!important}.modal{width:min(520px,100%);max-height:92vh;overflow:auto;background:#fff;border-radius:20px;padding:20px;box-shadow:0 25px 80px #0004}.modal.wide{width:min(760px,100%)}.modal-title{display:flex;justify-content:space-between;align-items:center}.modal h2{margin-top:0}.denom-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.denom-grid label{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:10px;padding:8px 10px}.denom-grid input{width:90px}.money-result,.split-results>div{background:#f5f6f8;border-radius:14px;padding:14px;margin-top:12px}.money-result{display:flex;justify-content:space-between;align-items:center}.money-result b{font-size:22px}.split-results{display:grid;grid-template-columns:1fr 1fr;gap:10px}.split-results span{display:block;color:var(--muted);font-size:12px}.split-results b{font-size:20px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.form-grid label{display:grid;gap:5px;font-size:13px;color:#4f535a}.span-2{grid-column:1/-1}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.choice{padding:22px 12px;border:1px solid var(--line);border-radius:14px;background:#fff;font-weight:800;cursor:pointer}.primary-choice{background:#111318;color:#fff}.alert{padding:10px 12px;border-radius:10px;background:#fff4d8;color:#6e5200;margin-top:10px}.alert.error{background:#ffe9e9;color:#8f1f25}.table-card{padding:0;overflow:auto}table{border-collapse:collapse;width:100%;min-width:860px}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-size:13px}th{color:var(--muted);font-size:12px;background:#fafbfc;position:sticky;top:0}td small{display:block;color:var(--muted)}.login-body{display:grid;place-items:center;min-height:100vh}.login-card{width:min(400px,92vw);background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 20px 60px #0001}.login-card label{display:grid;gap:5px;margin-top:12px}.login-card h1{margin-bottom:8px}@media(max-width:1100px){.kpi-grid{grid-template-columns:repeat(3,1fr)}.pos-layout{grid-template-columns:1fr 340px}.shell{grid-template-columns:180px 1fr}}@media(max-width:850px){.shell{grid-template-columns:1fr}.sidebar{height:auto;position:static;flex-direction:row;overflow:auto}.sidebar nav{display:flex;margin:0}.sidebar .brand,.side-user{display:none}.main{padding:12px}.pos-layout{grid-template-columns:1fr}.cart{min-height:520px}.kpi-grid{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}}
.cart-row{grid-template-columns:minmax(0,1fr) auto auto auto auto}.price-edit{display:flex;align-items:center;gap:3px}.price-edit input{width:78px;border:1px solid var(--line);border-radius:8px;padding:6px}.price-edit small{color:var(--muted)}.rowline{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px solid var(--line)}.rowline:last-child{border-bottom:0}.rowline small{display:block;color:var(--muted);margin-top:2px}.order-row{cursor:pointer}.order-row:hover td{background:#fafafa}.toolbar.card{padding:10px}.toolbar.card input{flex:1;min-width:240px}.big{font-size:20px;font-weight:800}
.permission-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}.permission-card{border:1px solid var(--line);border-radius:14px;padding:14px}.perm-line{display:flex;gap:9px;align-items:flex-start;padding:8px 0;border-bottom:1px solid var(--line)}.perm-line small{display:block;color:var(--muted);margin-top:2px}
.chart-grid{margin-top:14px}.chart-grid canvas{max-height:300px}.kpi-grid{grid-template-columns:repeat(4,minmax(0,1fr))}@media(max-width:1100px){.kpi-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:850px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}
.update-banner{background:#111318;color:#fff;border-radius:12px;padding:11px 14px;margin-bottom:14px}.update-banner a{color:#fff;font-weight:800;margin-left:8px}
.product-img{width:100%;height:76px;object-fit:cover;border-radius:10px;background:#f0f1f4}