:root{--ink: #151b18;--muted: #66736d;--line: #dce5df;--surface: #ffffff;--soft: #f3f7f5;--accent: #0f766e;--accent-dark: #0a5c56;--warm: #f2b56b;--danger: #b42318;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--soft);color:var(--ink)}button,input,textarea{font:inherit}button{cursor:pointer}.auth-page{min-height:100vh;display:grid;grid-template-columns:1.08fr .92fr}.auth-hero{padding:56px;color:#fff;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(180deg,#041d1b1a,#041d1bc7),url(https://images.unsplash.com/photo-1556742049-0cfed4f6a45d?auto=format&fit=crop&w=1600&q=80) center/cover}.brand-line,.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900}.brand-mark{width:38px;height:38px;border-radius:8px;display:inline-grid;place-items:center;color:#fff;background:var(--accent)}.auth-hero h1{max-width:720px;margin:110px 0 16px;font-size:clamp(2.6rem,6vw,5.4rem);line-height:.96;letter-spacing:0}.auth-hero p{max-width:620px;margin:0;color:#ffffffdb;line-height:1.7}.auth-panel{align-self:center;width:min(440px,calc(100% - 36px));margin:28px auto;padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:0 22px 60px #17211c1f}.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:5px;background:var(--soft);border-radius:8px}.mode-switch button,nav button,.tabs button{border:0;border-radius:7px;color:var(--muted);background:transparent}.mode-switch button{min-height:42px}.selected,nav .active{background:#fff!important;color:var(--ink)!important;box-shadow:0 1px 2px #10182814}form{display:grid;gap:16px}label{display:grid;gap:7px;color:var(--muted);font-weight:800}input,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:13px 14px;outline:0}textarea{min-height:110px;resize:vertical}.input-shell,.search-box{min-height:48px;display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:8px;padding:0 14px;background:#fff}.input-shell input,.search-box input{border:0;padding:0}.error{margin:0;color:var(--danger);font-weight:800}.primary-button{min-height:48px;border:0;border-radius:8px;display:inline-flex;justify-content:center;align-items:center;gap:9px;color:#fff;background:var(--accent);font-weight:900}.primary-button:hover{background:var(--accent-dark)}.primary-button:disabled{opacity:.55;cursor:not-allowed}.app-header{position:sticky;top:0;z-index:10;min-height:74px;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);background:#ffffffeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.brand{border:0;background:transparent;color:var(--ink);font-size:1rem}nav{display:flex;gap:7px;padding:6px;border-radius:8px;background:var(--soft)}nav button{min-height:42px;display:inline-flex;align-items:center;gap:8px;padding:0 13px;font-weight:900}nav strong{min-width:22px;height:22px;display:inline-grid;place-items:center;border-radius:999px;background:var(--warm);color:#281605;font-size:.78rem}.user-chip{display:flex;align-items:center;gap:9px;color:var(--muted);font-weight:900}.user-chip button,.product-footer button,.quantity button,.delete{width:40px;height:40px;display:inline-grid;place-items:center;border:1px solid var(--line);border-radius:8px;background:#fff}.page{width:min(1180px,calc(100% - 36px));margin:30px auto 56px}.shop-hero{min-height:310px;display:flex;align-items:end;padding:40px;border-radius:8px;background:linear-gradient(90deg,#0d2e2aeb,#0d2e2a59),url(https://images.unsplash.com/photo-1607083206968-13611e3d76db?auto=format&fit=crop&w=1600&q=80) center/cover;color:#fff}.shop-hero span{color:#9ee3d9;font-weight:900;text-transform:uppercase;font-size:.78rem}.shop-hero h1{max-width:760px;margin:12px 0 0;font-size:clamp(2.2rem,5vw,4.2rem);line-height:1;letter-spacing:0}.toolbar{display:grid;grid-template-columns:330px 1fr;gap:16px;margin:24px 0;align-items:center}.tabs{display:flex;flex-wrap:wrap;gap:8px}.tabs button{min-height:42px;padding:0 14px;border:1px solid var(--line);background:#fff;font-weight:900}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card,.cart-row,.checkout,.order-card,.empty{border:1px solid var(--line);border-radius:8px;background:var(--surface)}.product-card{overflow:hidden}.product-card>img{width:100%;height:230px;object-fit:cover}.product-body{padding:18px}.product-meta,.product-footer{display:flex;justify-content:space-between;gap:12px;align-items:center}.product-meta{color:var(--muted);font-size:.9rem;font-weight:900}.product-meta span{display:inline-flex;align-items:center;gap:4px}.product-card h3{margin:13px 0 8px}.product-card p{min-height:72px;margin:0 0 18px;color:var(--muted);line-height:1.55}.product-footer strong{display:block;font-size:1.22rem}.product-footer small{color:var(--muted)}.product-footer button{color:#fff;background:var(--accent);border-color:var(--accent)}.cart-page{display:grid;grid-template-columns:1fr 360px;gap:22px;align-items:start}.cart-list,.orders{display:grid;gap:12px}.cart-row{min-height:118px;display:grid;grid-template-columns:94px 1fr auto auto;gap:16px;align-items:center;padding:12px}.cart-row img{width:94px;height:94px;object-fit:cover;border-radius:7px}.cart-row span{color:var(--muted);font-weight:900}.cart-row h3{margin:5px 0}.quantity{display:grid;grid-template-columns:36px 34px 36px;align-items:center;justify-items:center}.quantity button{width:34px;height:34px}.delete{color:var(--danger)}.checkout{position:sticky;top:96px;padding:20px}.total-line,.grand-total{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line)}.grand-total{border-bottom:0;font-size:1.2rem}.empty{padding:34px;text-align:center;color:var(--muted);font-weight:800}.order-card{padding:18px;display:grid;gap:12px}.order-card>div:first-child{display:flex;justify-content:space-between;gap:16px}.order-card span,.order-card p{color:var(--muted)}.order-card p{margin:0}.chips{display:flex;flex-wrap:wrap;gap:8px}.chips span{padding:8px 10px;border-radius:7px;background:var(--soft);font-weight:800}.state{color:var(--muted)}.toast{position:fixed;right:22px;bottom:22px;z-index:20;padding:14px 16px;border-radius:8px;color:#fff;background:#151b18;box-shadow:0 18px 44px #0a130f47}@media(max-width:900px){.auth-page,.toolbar,.cart-page{grid-template-columns:1fr}.auth-hero{min-height:44vh;padding:30px}.app-header{flex-wrap:wrap}nav{order:3;width:100%}nav button{flex:1;justify-content:center}.grid{grid-template-columns:repeat(2,1fr)}.checkout{position:static}}@media(max-width:640px){.auth-hero h1{font-size:2.35rem}.brand span:last-child,nav button span,.user-chip span{display:none}.shop-hero{padding:26px}.grid{grid-template-columns:1fr}.cart-row{grid-template-columns:78px 1fr}.cart-row img{width:78px;height:78px}.quantity,.delete{grid-column:2}}