:root{--pri: #0b4f6c;--pri-l: #e6f1f5;--bg: #f4f6f8;--line: #dde3e8;--txt: #1d2730;--mut: #6b7884;--ok: #2a9d58;--warn: #e09f1f;--bad: #c8414b;--wa: #25d366}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;font-size:15px;color:var(--txt);background:var(--bg);-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}input,select{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;width:100%;min-height:44px;-webkit-user-select:text;user-select:text}label{display:block;font-size:13px;color:var(--mut);margin:10px 0 4px}h1{font-size:22px;margin:0 0 12px}h2{font-size:17px;margin:0 0 10px}.btn{white-space:nowrap;font:inherit;border:1px solid var(--line);background:#fff;color:var(--txt);padding:10px 16px;border-radius:8px;min-height:44px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none}.btn:disabled{opacity:.45;cursor:default}.btn.primary{background:var(--pri);color:#fff;border-color:var(--pri);font-weight:600}.btn.danger{background:#fff;color:var(--bad);border-color:var(--bad)}.btn.warn{background:var(--warn);color:#fff;border-color:var(--warn);font-weight:600}.btn.whatsapp{background:var(--wa);color:#fff;border-color:var(--wa);font-weight:600}.btn.ghost{border-color:transparent;background:transparent}.btn.sm{min-height:34px;padding:4px 10px;font-size:13px}.btn.block{display:flex;width:100%;margin-top:10px}.btn.xl{min-height:60px;font-size:19px}.btn.key{min-width:44px;font-size:18px}.link{background:none;border:none;color:var(--pri);font:inherit;text-decoration:underline;padding:0;cursor:pointer}.chip{font:inherit;border:2px solid var(--line);background:#fff;padding:8px 16px;border-radius:22px;min-height:42px;cursor:pointer;white-space:nowrap}.chip.active{background:var(--pri);border-color:var(--pri)!important;color:#fff}.chip.lg{min-height:52px;font-size:16px}.badge{font-size:12px;padding:3px 8px;border-radius:10px;background:#e9edf1;color:var(--txt);white-space:nowrap}.badge.ok{background:#dff3e7;color:#19683a}.badge.warn{background:#fdf0d5;color:#8a5a00}.badge.sample{background:#fde2ea;color:#a1214a;font-weight:600}.badge.sm{font-size:10px;padding:1px 6px}.muted{color:var(--mut)}.sm{font-size:12px}.mono{font-family:ui-monospace,monospace}.row{display:flex;align-items:center}.row.between{justify-content:space-between}.row.gap{gap:8px}.row.wrap{flex-wrap:wrap}.row.gap>div{flex:1}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:12px}.error{color:var(--bad);margin:6px 0}.low{color:var(--bad);font-weight:600}.ok td{color:var(--ok)}.notice{margin-top:16px;background:#fff7e0;border:1px solid #f3d27a;padding:10px 14px;border-radius:8px;font-size:14px}.loading{padding:40px}.shell{display:flex;height:100vh}.rail{width:92px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:stretch;padding:8px 6px;gap:4px}.rail-logo{color:#fff;font-weight:800;text-align:center;padding:12px 0;border-radius:10px;margin-bottom:6px}.rail-btn{border:none;background:none;font:inherit;font-size:12px;padding:8px 2px;border-radius:10px;display:flex;flex-direction:column;align-items:center;gap:2px;cursor:pointer;color:var(--mut);min-height:62px}.rail-btn.active{background:var(--pri-l);color:var(--pri);font-weight:600}.rail-icon{font-size:22px}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:52px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 14px}.brand{font-weight:700;font-size:17px;display:flex;gap:10px;align-items:center}.topbar-right{display:flex;gap:8px;align-items:center}.user{font-size:13px;color:var(--mut);margin:0 4px}.content{flex:1;overflow:auto}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:#222;color:#fff;padding:12px 20px;border-radius:10px;z-index:100}.login{height:100vh;display:flex;align-items:center;justify-content:center;gap:60px;background:linear-gradient(135deg,#e6f1f5,#fbe9f0)}.login-brand{max-width:380px}.logo{font-size:40px;font-weight:800;color:var(--pri)}.login-card{width:340px}.pinpad{display:flex;flex-direction:column}.pin-label{font-weight:600;text-align:center}.pin-dots{text-align:center;font-size:26px;letter-spacing:6px;min-height:40px;margin:6px 0}.pin-keys{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.pin-keys .btn{min-height:58px;font-size:22px}.sell{display:grid;grid-template-columns:1fr 420px;height:100%}.catalogue{display:flex;flex-direction:column;padding:12px;min-width:0;overflow:hidden}.toolbar{display:flex;gap:8px}.toolbar .scan{flex:1.2}.toolbar .search{flex:1}.cats{display:flex;gap:8px;margin:10px 0;overflow-x:auto}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;overflow:auto;align-content:start;padding-bottom:12px}.tile{font:inherit;text-align:left;background:#fff;border:1px solid var(--line);border-top:6px solid var(--pri);border-radius:10px;padding:10px;min-height:104px;display:flex;flex-direction:column;justify-content:space-between;cursor:pointer}.tile:active{transform:scale(.98)}.tile-name{font-weight:600;font-size:14px}.tile-price{font-size:17px;font-weight:700;color:var(--pri)}.tile-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--mut)}.cart{background:#fff;border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.cart-head{padding:12px 14px 8px;border-bottom:1px solid var(--line)}.cart-head h2{margin-bottom:8px}.cart-lines{flex:1;overflow:auto;padding:4px 10px}.cart-line{display:grid;grid-template-columns:1fr auto 82px auto;gap:6px;align-items:center;padding:8px 0;border-bottom:1px dashed var(--line)}.cl-name{font-weight:600;font-size:14px}.cl-total{text-align:right;font-weight:600}.cl-actions{display:flex}.qty{display:flex;align-items:center;gap:4px}.qty span{min-width:22px;text-align:center;font-weight:600}.empty{padding:30px 10px;text-align:center}.cart-totals{border-top:1px solid var(--line);padding:10px 14px 14px}.cart-totals .row{padding:3px 0}.total{font-size:22px;font-weight:800}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f192373;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:#fff;border-radius:14px;width:480px;max-height:92vh;display:flex;flex-direction:column}.modal.wide{width:920px}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line)}.modal-head h2{margin:0}.modal-body{padding:16px;overflow:auto}.money-input{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;background:#fff;padding-left:12px}.money-input span{color:var(--mut);font-weight:600}.money-input input{border:none;font-size:20px}.money-input.bad{border-color:var(--bad)}.big-input{font-size:20px;margin:10px 0}.list-row{padding:8px 0;border-bottom:1px solid var(--line)}.checkout{display:grid;grid-template-columns:1fr 1fr;gap:20px}.co-left .row{padding:5px 0}.co-total{display:flex;justify-content:space-between;font-size:26px;padding-bottom:8px;border-bottom:1px solid var(--line);margin-bottom:6px}.big{font-size:20px}.change{color:var(--ok)}.paid{background:#f1f8f4;padding:6px 8px!important;border-radius:6px}.pay-panel,.pay-panel .row{margin-top:10px}.customer-box{margin-top:12px;background:#fff7e0;padding:10px;border-radius:8px;display:flex;flex-direction:column;gap:6px}.receipt-screen{display:grid;grid-template-columns:1fr 380px;gap:20px;padding:16px;height:100%;overflow:auto;align-items:start}.paper{background:#fff;width:400px;justify-self:center;padding:18px 20px;border:1px solid var(--line);box-shadow:0 2px 10px #0000000f;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}.paper .row{justify-content:space-between}.paper hr{border:none;border-top:1px dashed #aaa;margin:8px 0}.center{text-align:center}.paper-brand{font-size:18px;font-weight:800}.paper-title{font-weight:800;margin:8px 0;letter-spacing:1px}.paper-line{margin-bottom:4px}.paper-total{font-size:16px;font-weight:800}.page{padding:16px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}.table{width:100%;border-collapse:collapse;background:#fff;font-size:14px}.table th,.table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}.table th{background:#f0f3f6;font-size:12px;color:var(--mut);text-transform:uppercase}.table .r{text-align:right}.struck td{color:var(--mut)}tr.bold td{font-weight:700}.table.totals tr.section td{background:#f6f8fa;font-weight:600;font-size:12px;color:var(--mut);text-transform:uppercase}.close-box{margin-top:14px;padding-top:10px;border-top:1px solid var(--line)}.export-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.form .row>div{flex:1}.check{display:flex;align-items:center;gap:8px;color:var(--txt);font-size:15px}.check input{width:auto;min-height:0}.toggle{display:flex;gap:10px;align-items:center;color:var(--txt);font-size:15px}.toggle input{width:26px;height:26px;min-height:0}.placeholder-val{background:#fff7e0;border-color:#f3d27a}