:root{--bg:#f4f7f7;--card:#fff;--ink:#102a2e;--muted:#64777a;--primary:#0f766e;--primary-dark:#0b5f59;--line:#dce5e5;--danger:#b42318;--shadow:0 10px 30px rgba(16,42,46,.08);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;background:var(--bg);min-height:100vh}button,input,select,textarea{font:inherit}.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 24px;background:#fff;border-bottom:1px solid var(--line)}.topbar strong{display:block;font-size:1.05rem}.topbar small{color:var(--muted)}.topbar nav{display:flex;gap:8px;flex-wrap:wrap}.btn{border:0;border-radius:12px;padding:11px 16px;font-weight:750;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-dark)}.btn.secondary{background:#e9f3f2;color:var(--primary)}.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.wide{width:100%}.pos-layout{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:18px;max-width:1600px;margin:auto;padding:18px}.catalog-panel,.cart-panel,.admin-card,.summary-card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.catalog-panel{padding:18px}.section-title{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:18px}.section-title h1,.section-title h2{margin:0 0 4px}.section-title p{margin:0;color:var(--muted)}.search{width:min(340px,100%);padding:12px 14px;border:1px solid var(--line);border-radius:12px}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(145px,1fr));gap:12px}.product-card{min-height:155px;border:1px solid var(--line);border-radius:16px;background:#fff;padding:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;cursor:pointer;box-shadow:0 5px 16px rgba(16,42,46,.04);transition:.15s}.product-card:hover,.product-card:active{transform:translateY(-2px);border-color:var(--primary)}.product-icon{font-size:2.4rem}.product-name{text-align:center;font-weight:700}.product-card strong{color:var(--primary)}.cart-panel{position:sticky;top:88px;align-self:start;max-height:calc(100vh - 106px);display:flex;flex-direction:column;overflow:hidden}.cart-head{display:flex;justify-content:space-between;align-items:center;padding:18px;border-bottom:1px solid var(--line)}.cart-head h2{margin:0}.cart-head span{color:var(--muted)}.icon-btn{border:0;background:#f6eeee;border-radius:10px;padding:9px;cursor:pointer}.empty-state{padding:36px 18px;text-align:center;color:var(--muted)}.cart-items{padding:0 18px;overflow:auto}.cart-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}.cart-info{min-width:0}.cart-info strong,.cart-info small{display:block}.cart-info small{color:var(--muted)}.qty-control{display:flex;align-items:center;gap:8px;background:#eef5f4;border-radius:10px;padding:4px}.qty-control button{width:30px;height:30px;border:0;border-radius:8px;background:#fff;font-weight:900;cursor:pointer}.cart-totals{margin-top:auto;padding:18px;background:#fbfdfd;border-top:1px solid var(--line)}.cart-totals>div{display:flex;justify-content:space-between;margin-bottom:10px}.cart-totals label{display:block;color:var(--muted);margin:10px 0}.grand-total{font-size:1.25rem;padding-top:10px;border-top:1px dashed var(--line)}.money-input{display:flex;align-items:center;border:1px solid var(--line);background:#fff;border-radius:10px;overflow:hidden;margin-top:5px}.money-input span{padding:10px;background:#eef5f4}.money-input input{min-width:0;width:100%;border:0;padding:10px;outline:0}.modal{border:0;padding:0;background:transparent}.modal::backdrop{background:rgba(0,20,24,.55);backdrop-filter:blur(2px)}.modal-card{width:min(92vw,480px);background:#fff;border-radius:18px;padding:22px;box-shadow:var(--shadow);position:relative}.modal-card h2{margin-top:0}.modal-close{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:2rem;cursor:pointer}.modal-card label,.form-stack label,.login-card label{display:block;margin:14px 0;color:var(--muted);font-weight:650}.modal-card input,.modal-card select,.modal-card textarea,.form-stack input,.login-card input{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px;margin-top:6px}.checkout-summary,.change-box{display:flex;justify-content:space-between;padding:12px;border-radius:10px;background:#eef5f4;margin:12px 0}.toast{position:fixed;left:50%;bottom:20px;transform:translate(-50%,150%);background:#102a2e;color:#fff;padding:12px 18px;border-radius:12px;z-index:99;transition:.25s}.toast.show{transform:translate(-50%,0)}.toast.error{background:var(--danger)}.content-page{max-width:1300px;margin:auto;padding:22px}.filters{display:flex;align-items:end;gap:12px;flex-wrap:wrap;margin-bottom:18px}.filters label{display:flex;flex-direction:column;gap:5px}.filters input{padding:10px;border:1px solid var(--line);border-radius:10px}.summary-card{padding:10px 18px;margin-left:auto}.summary-card span,.summary-card strong{display:block}.table-wrap{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:auto}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:13px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}.data-table th{background:#f7fafa}.data-table tr.cancelled{text-decoration:line-through;opacity:.6}.receipt-page{padding:20px}.receipt-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}.print-help{max-width:720px;margin:0 auto 14px;background:#fff8db;border:1px solid #ead782;padding:12px;border-radius:12px}.receipt-58mm{width:58mm;min-height:120mm;margin:auto;background:#fff;color:#000;padding:4mm 3mm;font-family:"Courier New",monospace;font-size:10px;line-height:1.25;box-shadow:var(--shadow)}.receipt-58mm header,.receipt-58mm footer{text-align:center}.receipt-58mm h1{font-size:14px;margin:0 0 4px}.receipt-58mm p{margin:6px 0}.receipt-58mm table{width:100%;border-collapse:collapse}.receipt-58mm th,.receipt-58mm td{text-align:left;vertical-align:top;padding:3px 0}.receipt-58mm th:nth-child(2),.receipt-58mm td:nth-child(2){text-align:center}.receipt-58mm th:last-child,.receipt-58mm td:last-child{text-align:right}.receipt-58mm td small{display:block}.dashed{border-top:1px dashed #000;margin:5px 0}.receipt-total{display:flex;justify-content:space-between}.receipt-total.grand{font-size:13px;margin:4px 0}.login-page{display:grid;place-items:center;padding:20px}.login-card{width:min(100%,420px);background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow)}.login-card h1{margin-top:0}.alert{padding:12px;border-radius:10px}.alert.error{background:#feeceb;color:#8e1b15}.alert.success{background:#e8f7f1;color:#126b4f}.admin-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(320px,.8fr);gap:18px}.admin-card{padding:18px}.form-stack{display:flex;flex-direction:column}.check{display:flex!important;align-items:center;gap:10px}.check input{width:auto!important;margin:0!important}.big-icon{font-size:1.7rem}.link-button{border:0;background:none;color:var(--primary);font-weight:700;cursor:pointer}.full{grid-column:1/-1}
@media(max-width:900px){.pos-layout{grid-template-columns:1fr;padding:10px}.cart-panel{position:relative;top:auto;max-height:none}.admin-grid{grid-template-columns:1fr}.topbar{padding:10px 12px}.product-grid{grid-template-columns:repeat(3,1fr)}.product-card{min-height:130px;padding:10px}.section-title{align-items:stretch;flex-direction:column}.search{width:100%}}
@media(max-width:520px){.product-grid{grid-template-columns:repeat(2,1fr)}.product-card{min-height:125px}.topbar{align-items:flex-start;flex-direction:column}.topbar nav{width:100%}.topbar nav .btn{flex:1}.cart-row{grid-template-columns:minmax(0,1fr) auto}.cart-row>strong{grid-column:1/-1;text-align:right}.receipt-page{padding:10px}.receipt-actions .btn{flex:1}.summary-card{margin-left:0;width:100%}}
@media print{body{background:#fff!important}.no-print{display:none!important}.receipt-page{padding:0}.receipt-58mm{width:58mm;box-shadow:none;margin:0;padding:2mm}.receipt-58mm{font-size:10px}@page{size:58mm auto;margin:0}}