:root{--blue:#0b63f6;--blue2:#eaf3ff;--dark:#152238;--muted:#6b778c;--bg:#f4f7fb;--line:#e4eaf2;--danger:#e5484d;--ok:#25a56a;--warning:#d89a00}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--dark)}a{text-decoration:none;color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:260px;background:#0f1e33;color:#dbe7ff;padding:20px 14px;position:fixed;inset:0 auto 0 0;overflow:auto}.brand{font-size:20px;font-weight:900;padding:12px 10px 22px;color:#fff}.sidebar nav{display:grid;gap:5px}.sidebar nav a{padding:11px 12px;border-radius:10px;font-size:14px}.sidebar nav a:hover{background:#17365f;color:#fff}.main{margin-left:260px;min-width:0;flex:1}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:0 24px;position:sticky;top:0;z-index:5}.topbar button{display:none}.topbar .role{margin-left:auto;color:var(--muted);font-size:12px}.content{padding:24px;max-width:1600px;margin:auto}h1{font-size:28px;margin:0 0 20px}h2{font-size:18px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}.card,.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.card{display:grid;gap:7px}.card small,.muted{color:var(--muted)}.card b{font-size:25px}.split{display:grid;grid-template-columns:minmax(280px,420px) minmax(0,1fr);gap:18px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}label{display:grid;gap:6px;font-size:13px;font-weight:600;margin-bottom:12px}input,select,textarea{width:100%;border:1px solid #ccd7e5;border-radius:10px;padding:10px 11px;background:#fff;color:var(--dark);font:inherit}textarea{min-height:80px;resize:vertical}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:10px 14px;background:#e9eef6;color:#18314f;font-weight:800;cursor:pointer}.btn.primary{background:var(--blue);color:#fff}.btn.danger{background:#feecef;color:#b4232d}.btn.small{padding:7px 9px;font-size:12px}.btn.big{font-size:17px;padding:15px;width:100%}.btn:disabled{opacity:.45;cursor:not-allowed}.alert{padding:12px 15px;border-radius:12px;margin-bottom:16px}.alert.success{background:#e8f8f0;color:#15734a}.alert.error{background:#ffecef;color:#a51d28}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{color:#516079;font-size:12px}.badge{display:inline-block;padding:5px 8px;background:#eef2f7;border-radius:999px;font-size:11px;font-weight:800}.badge.green{background:#e8f8f0;color:#147a4c}.badge.yellow{background:#fff6d9;color:#936400}.badge.red{background:#ffecef;color:#a51d28}.inline{display:flex;gap:6px;min-width:300px}.inline input{padding:7px}.pos-grid,.cart-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:18px}.sale-item,.payment-row{display:grid;grid-template-columns:1fr 110px;gap:8px;margin-bottom:8px}.pos-total{font-size:22px;padding:18px 0;text-align:right}.filters{display:flex;gap:10px;align-items:end;margin-bottom:16px}.check{display:flex;grid-template-columns:auto 1fr;align-items:center}.check input{width:auto}.auth-body{min-height:100vh;display:grid;place-items:center;background:linear-gradient(140deg,#edf5ff,#f7f9fc)}.login-card{width:min(420px,92vw);background:#fff;border:1px solid var(--line);border-radius:22px;padding:32px;box-shadow:0 20px 60px #1c4c8b18}.login-logo{width:60px;height:60px;border-radius:18px;background:var(--blue);display:grid;place-items:center;color:white;font-size:28px}.login-card h1{margin-top:16px}.login-card .btn{width:100%}.store-link{display:block;text-align:center;margin-top:14px;color:var(--blue)}.store{background:#fff}.store-header{height:72px;display:flex;align-items:center;padding:0 5vw;border-bottom:1px solid var(--line);gap:30px;position:sticky;top:0;background:#fff;z-index:5}.store-logo{font-weight:900;color:var(--blue);font-size:19px}.store-header nav{margin-left:auto;display:flex;gap:20px}.store-main{max-width:1300px;margin:auto;padding:24px}.hero{min-height:360px;background:var(--blue2);border-radius:24px;padding:54px;display:flex;align-items:center;margin-bottom:34px}.hero h1{font-size:48px;max-width:700px}.hero p{color:var(--muted);font-size:18px}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.product-card{border:1px solid var(--line);border-radius:18px;padding:16px;display:grid;gap:9px}.product-img{height:150px;background:#f4f7fb;border-radius:14px;display:grid;place-items:center;font-size:42px}.product-card b{font-size:20px;color:var(--blue)}.product-card span{font-size:12px;color:var(--muted)}hr{border:0;border-top:1px solid var(--line);margin:20px 0}.narrow{max-width:460px}@media(max-width:1100px){.cards{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:800px){.sidebar{transform:translateX(-105%);transition:.2s;z-index:20}.sidebar.open{transform:translateX(0)}.main{margin-left:0}.topbar button{display:block}.content{padding:16px}.cards,.split,.pos-grid,.cart-layout,.grid2{grid-template-columns:1fr}.product-grid{grid-template-columns:repeat(2,1fr)}.hero{padding:28px;min-height:280px}.hero h1{font-size:34px}.store-header nav a:not(:nth-last-child(-n+2)){display:none}}@media(max-width:520px){.cards,.product-grid{grid-template-columns:1fr}.store-main{padding:14px}.store-header{padding:0 16px}.sale-item,.payment-row{grid-template-columns:1fr 80px}.hero h1{font-size:29px}}