:root{--ink:#17211b;--muted:#68726c;--cream:#f4f1e8;--card:#fff;--green:#176b4b;--lime:#d8f26a;--red:#b94343;--line:#dfe3dc}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.45 Inter,Segoe UI,sans-serif}header{min-height:68px;background:var(--ink);display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1320px)/2));color:white}header a{color:white;text-decoration:none}.brand{font-size:1.35rem;font-weight:850;letter-spacing:-.04em}nav{display:flex;gap:18px;align-items:center}nav form{margin:0}.link{background:none!important;color:white;padding:0}main{max-width:1320px;margin:auto;padding:42px 24px 70px}footer{text-align:center;color:var(--muted);padding:25px}h1{font-size:clamp(2rem,4vw,3.3rem);letter-spacing:-.055em;line-height:1.05;margin:.2em 0 .8em}h2{margin-top:0}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 7px 24px #17211b0a}.login{max-width:560px;margin:5vh auto}.reader{border:2px dashed #9db1a5;border-radius:14px;padding:22px;display:flex;gap:14px;align-items:center;margin:25px 0;background:#f5faf6}.pulse{width:15px;height:15px;border-radius:50%;background:var(--green);box-shadow:0 0 0 8px #176b4b18;animation:pulse 1.3s infinite}@keyframes pulse{50%{box-shadow:0 0 0 15px #176b4b00}}label{display:block;font-weight:700;margin:13px 0}input,select{display:block;width:100%;margin-top:6px;padding:12px;border:1px solid #bdc7c0;border-radius:9px;background:white;font:inherit}button,.button{border:0;border-radius:9px;background:var(--green);color:white;font-weight:800;padding:12px 17px;text-decoration:none;display:inline-block;cursor:pointer}button:disabled{opacity:.45}.secondary{background:#e8ece8;color:var(--ink)}.danger{background:#f7e0df;color:var(--red)}.small{padding:7px 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strong{font-size:1.2rem}.category{color:var(--green);font-size:.72rem;text-transform:uppercase;font-weight:900}.cart{position:sticky;top:20px;align-self:start}.cartline{display:grid;grid-template-columns:1fr 65px auto;align-items:center;gap:8px;padding:11px 0;border-bottom:1px solid var(--line)}.cartline input{margin:0;padding:7px}.total{display:flex;justify-content:space-between;font-size:1.3rem;padding:18px 0;margin-top:12px;border-top:2px solid var(--ink)}.receipt{max-width:620px;margin:auto}.successmark{display:grid;place-items:center;background:var(--lime);width:60px;height:60px;border-radius:50%;font-size:2rem}.stack{display:grid;gap:12px}.split{display:grid;grid-template-columns:minmax(280px,380px) 1fr;gap:22px;align-items:start}.form{position:sticky;top:20px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}fieldset{border:1px solid var(--line);border-radius:9px;margin:16px 0}.check{font-weight:500}.check 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0;width:260px;background:var(--ink);color:white;z-index:20;display:flex;flex-direction:column;padding:18px;box-shadow:10px 0 30px #17211b18;transition:width .2s ease,padding .2s ease}.sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}.sidebar .brand{color:white;text-decoration:none;white-space:nowrap}.sidebar-collapse{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:#ffffff12;color:white;cursor:pointer;font-weight:900}.sidebar-nav{display:grid;gap:7px;align-items:stretch}.sidebar-nav a,.sidebar-nav summary{display:block;color:#e8eee9;text-decoration:none;border-radius:11px;padding:11px 13px;font-weight:800;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-nav a:hover,.sidebar-nav summary:hover,.sidebar-nav .active{background:#ffffff18;color:white}.sidebar-settings{display:grid;gap:6px}.sidebar-settings summary{list-style:none}.sidebar-settings 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button{font-size:0;color:transparent}.sidebar-toggle:not(:checked)~.sidebar-nav a::first-letter,.sidebar-toggle:not(:checked)~.sidebar-nav summary::first-letter{font-size:1rem;color:white}.sidebar-toggle:not(:checked)~.sidebar-settings a{margin-left:0}.sidebar-toggle:not(:checked)~.sidebar-settings summary::after{content:""}.sidebar-toggle:not(:checked)~.app-shell.with-sidebar{margin-left:76px}.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.settings-card{text-decoration:none;color:var(--ink);transition:transform .15s ease,border-color .15s ease}.settings-card:hover{transform:translateY(-2px);border-color:var(--green)}.settings-card p{color:var(--muted)}@media(max-width:850px){header{align-items:flex-start;padding:18px 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