:root{--bg:#f6f8fc;--ink:#182236;--muted:#66758a;--border:#e5eaf2;--accent:#4357c8;--good:#0c8a64;--bad:#c03945}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Tahoma,Arial,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0;border-radius:10px;padding:11px 16px;font-weight:700;background:#e9edfa;color:var(--accent)}button.primary{background:var(--accent);color:#fff}button:disabled{opacity:.5;cursor:not-allowed}a{color:var(--accent);text-decoration:none}.shell{max-width:1240px;margin:auto;padding:20px}.header{display:flex;align-items:center;gap:15px;justify-content:space-between;background:white;border-bottom:1px solid var(--border);padding:17px max(20px,calc((100vw - 1200px)/2));flex-wrap:wrap}.brand{font-size:27px;font-weight:900;letter-spacing:1px}.brand b{color:var(--accent)}.muted{color:var(--muted)}.hero{background:linear-gradient(115deg,#edf1ff,#fff);border:1px solid #dfe5fa;border-radius:20px;padding:35px;margin:18px 0 25px}.hero h1{font-size:clamp(25px,4vw,40px);margin:5px 0 12px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.card,.panel{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px}.prod-img{height:110px;background:#f3f5fc;border-radius:12px;display:grid;place-items:center;font-size:58px}.prod h3{min-height:48px;font-size:15px}.price{font-size:20px;font-weight:900}.badge{display:inline-block;border-radius:30px;padding:5px 10px;background:#e7f8f0;color:var(--good);font-size:12px}.badge.out{background:#ffebed;color:var(--bad)}.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.toolbar input,.toolbar select{flex:1;min-width:180px}.field,input,select,textarea{padding:11px;border:1px solid #dce2ed;border-radius:10px;background:white;max-width:100%}.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.form label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:700}.form .full{grid-column:1/-1}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}.tabs button{background:#fff;color:var(--muted);border:1px solid var(--border)}.tabs button.active{background:var(--accent);color:white}.page{display:none}.page.active{display:block}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:15px 0}.stat{background:white;border:1px solid var(--border);padding:19px;border-radius:15px}.stat strong{font-size:24px;display:block;margin-top:9px}.tablewrap{overflow:auto}.table{width:100%;border-collapse:collapse;background:#fff;min-width:650px}.table th,.table td{text-align:right;padding:13px;border-bottom:1px solid var(--border);font-size:13px}.table th{background:#f6f8fc;color:var(--muted)}.panel{margin:15px 0}.actions{display:flex;gap:7px;flex-wrap:wrap}.hint{background:#fff7e5;color:#825a14;border:1px solid #f4dfad;padding:13px;border-radius:12px;line-height:1.9;font-size:13px;margin:15px 0}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.empty{padding:28px;text-align:center;color:var(--muted)}.cart{position:fixed;inset:0;background:#14203780;display:none;z-index:10;align-items:stretch;justify-content:flex-start}.cart.open{display:flex}.cart-inner{background:white;width:min(470px,100%);overflow:auto;padding:20px}.cartline{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:14px 0;border-bottom:1px solid var(--border)}.cartline button{padding:6px 10px}.foot{margin-top:35px;color:var(--muted);font-size:12px;text-align:center;padding:18px}.row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}@media(max-width:850px){.grid,.stats{grid-template-columns:repeat(2,1fr)}.two{grid-template-columns:1fr}}@media(max-width:540px){.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.card{padding:11px}.stats{grid-template-columns:repeat(2,1fr)}.form{grid-template-columns:1fr}.prod-img{height:90px;font-size:42px}.shell{padding:12px}.header{padding:14px}.price{font-size:17px}}

.auth-overlay{position:fixed;inset:0;background:#142037aa;z-index:30;display:none;align-items:center;justify-content:center;padding:14px;overflow:auto}.auth-overlay.open{display:flex}.auth-box{background:white;border-radius:20px;padding:24px;width:min(530px,100%);max-height:95vh;overflow:auto;box-shadow:0 22px 70px #14203744}.auth-box [hidden]{display:none!important}.auth-actions{display:flex;gap:12px}.auth-actions button{flex:1;padding:15px}.auth-form{margin-top:20px}.auth-error{color:#b91c1c;font-weight:700}.success-view{text-align:center;padding:22px}.success-check{width:84px;height:84px;border-radius:50%;background:#16a34a;color:white;display:grid;place-items:center;font-size:55px;margin:0 auto 20px}