:root{--blue:#0955a5;--sky:#e9f7ff;--green:#4f8c39;--yellow:#ffd02f;--pink:#d93f83;--dark:#153247;--border:#dbe5ea}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:var(--dark);background:#f4f8fa}.hidden{display:none!important}button,input,select{font:inherit}button{cursor:pointer;border:0;border-radius:12px;font-weight:700;min-height:46px}.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(145deg,#dff5ff,#fff4c9)}.login-card{width:min(390px,92vw);text-align:center;background:#fff;padding:22px;border-radius:28px;box-shadow:0 20px 60px #0b4f8540}.login-card img{width:145px;height:145px;object-fit:cover;border-radius:50%}.login-card h1{font-size:24px;margin:8px 0}.pin-dots{font-size:28px;letter-spacing:8px;margin:18px}.keypad{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.keypad button{font-size:22px;background:#edf6fb;height:58px}.keypad button:last-child{background:var(--blue);color:#fff}.error{color:#b91c1c;min-height:20px}header{height:72px;padding:8px 16px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:10px}.brand img{width:52px;height:52px;border-radius:50%;object-fit:cover}.brand small{display:block;color:#648}.brand strong{display:block}nav{display:flex;gap:6px}nav button{padding:0 14px;background:#eef4f7}nav button.active{background:var(--blue);color:#fff}main{padding:14px}.view{display:none}.view.active{display:block}.pos-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:14px;height:calc(100vh - 100px)}.catalog{overflow:auto}.categories{display:flex;gap:8px;overflow:auto;padding-bottom:12px}.categories button{padding:0 18px;color:#fff;white-space:nowrap}.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(145px,1fr));gap:10px}.product{min-height:105px;padding:12px;background:#fff;border:3px solid var(--cat);box-shadow:0 3px 10px #27415515;display:flex;flex-direction:column;justify-content:space-between;text-align:left}.product strong{font-size:17px}.product span{font-size:20px;color:var(--cat)}.cart,.panel{background:#fff;border-radius:18px;padding:16px;box-shadow:0 4px 18px #23435b12}.cart{display:flex;flex-direction:column;min-height:0}.cart h2{margin:0 0 10px}.cart-items{overflow:auto;flex:1}.cart-row{display:grid;grid-template-columns:1fr auto;gap:8px;padding:10px 0;border-bottom:1px solid var(--border)}.cart-row .controls{display:flex;align-items:center;gap:5px}.cart-row button{min-height:34px;width:34px;border-radius:8px}.cart-row small{display:block;color:#64748b}.offered{color:var(--pink);font-weight:bold}.cart-total{font-size:22px;display:flex;justify-content:space-between;padding:14px 0;border-top:2px solid var(--dark)}.cart-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.cart-actions .primary{grid-column:1/-1}.primary{background:var(--blue);color:#fff;padding:0 16px}.secondary{background:#eaf1f5;color:var(--dark);padding:0 14px}.danger{background:#b42318;color:#fff;padding:0 14px}.section-head{display:flex;align-items:center;gap:12px;justify-content:space-between;margin-bottom:14px}.section-head h2{margin:0}.tabs-grid,.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.tab-card,.stat{background:#fff;border-radius:16px;padding:16px;border-left:7px solid var(--green);box-shadow:0 3px 14px #1232}.tab-card strong,.stat strong{display:block;font-size:25px;margin-top:8px}.admin-grid{display:grid;grid-template-columns:330px 1fr;gap:14px}.panel h2,.panel h3{margin-top:0}form{display:grid;gap:9px}input,select{width:100%;padding:12px;border:1px solid #cbd8df;border-radius:10px;background:#fff}.list-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:9px;border-bottom:1px solid var(--border)}dialog{border:0;border-radius:20px;width:min(520px,94vw);padding:20px;box-shadow:0 20px 80px #0005}dialog::backdrop{background:#0d263c88}.close{float:right;background:#eee;font-size:22px}.pay-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px}.pay-buttons button{height:64px;background:#eaf2f7}.muted{color:#789}@media(max-width:800px){header{height:auto;align-items:flex-start}.brand strong{font-size:14px}nav{position:fixed;bottom:0;left:0;right:0;background:#fff;padding:7px;z-index:20;justify-content:space-around;border-top:1px solid var(--border)}nav button{font-size:12px;padding:0 8px}main{padding:10px 10px 76px}.pos-layout{display:block;height:auto}.catalog{padding-bottom:300px}.products{grid-template-columns:repeat(2,1fr)}.product{min-height:95px}.cart{position:fixed;left:0;right:0;bottom:61px;z-index:15;max-height:270px;border-radius:18px 18px 0 0;box-shadow:0 -8px 30px #0002}.cart h2{font-size:16px}.cart-items{max-height:95px}.cart-row{padding:5px 0}.admin-grid{grid-template-columns:1fr}.section-head{align-items:stretch;flex-wrap:wrap}.brand img{width:42px;height:42px}}